:e file

Edit file; current file becomes the alternate file.

:e!

Restore last saved version of current file.

:e+ file

Begin editing at end of new file.

:e+ n file

Open new file at line n.

:e#

Open to previous position in alternate (previously edited) file.

:ta tag

Edit file containing tag at the location of the tag.

:n

Edit next file.

:n!

Force next file into buffer (don't save changes to current file).

:n files

Specify new list of files.

:args

Display multiple files to be edited.

:rew

Rewind list of multiple files to top.